lithium-ion battery for golf trolley,UPS,Communication and so on CE, ... fully charged:13-14V(1 hour after fully charged)Charger:CC/CV (Professional Charger(Output DC 14.8V,8Ah) Working Temperature: Charge ... below LiFePO4 battery Feature:1. Safety: currently the safest li-ion battery, CE approved, none fire, none explosive. 2. Environment friendly ...